[Octave-bug-tracker] [bug #58274] print.m: -svgconvert doesn't handle switching font angle in a single string

[Pantxo Diribarne]

URL:
  <https://savannah.gnu.org/bugs/?58274>

                 Summary: print.m: -svgconvert doesn't handle switching font
angle in a single string  
                 Project: GNU Octave
            Submitted by: pantxo
            Submitted on: mer. 29 avril 2020 19:55:37 UTC
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Inaccurate Result
                  Status: Confirmed
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 6.0.90
         Discussion Lock: Any
        Operating System: Any

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Details:

I often change font characteristics in the middle of a string to get better
looking labels, e.g:


f = 1:10;
plot (f, 2*pi*f);
ylabel ("{\\it{\\omega}} {\\fontsize{15}[}rad s^{-1}{\\fontsize{15}]}")
xlabel ("{\\it{f}} [Hz]")
title ("{\\fontname{FreeSerif} Serif - } {\\fontname{*}Sans Serif}")
print /tmp/toto.svg
print -dpdfcrop -svgconvert /tmp/toto.pdf
open /tmp/toto.svg
open /tmp/toto.pdf


The svg is OK but the resulting pdf file is wrong: the x/ylabel are rendered
entirely italic while units should be normal. All other switches (fontsize,
fontname) seem to be OK.

I think I can provide a patch soon.






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